The river widens because of -
tributaries - these are smaller rivers that join on to the main river like small roads join on to larger main roads.
erosion - this is when rocks and stuff tumble and break off bits of the bank and makes it bigger.
All of this erosion means that the river can hold more and can gather water from rain, snow etc.
A river gets bigger as the water flows along because some extra water from time to time comes in from the sides.
As it rains and more water runs down stream. Erosion accurs wich means the water eats away the rock around it. These broken particles are called sedament.
The acids and the moving water erode the banks and the bottom of the river.
Rivers become wider as they go downstream because more and more water is collected from runoff, and storm drainage. Even the Mississippi starts out as a tiny stream.
the dirt is being eroed.
by more rain coming
A river channel is formed by rock and soil of a stream being transported down, during this process the channels become wider and deeper.
a little bed of water flows and the joins a bigger bed of water, where it joins a stream and then another stream to a bigger stream, then a river which joins a bigger river then goes down to a waterfall where it joins a lake.
Going either up or down a river in a shallow draft ship of about 4-5 decks and seeing the sights along the river.
meander
Because there strong enough
The Mississippi River has three stages: First, it is a youthful river, further down the stream it comes into its mature stage, and even further down the river, at the end, it comes into its old age stage. All rivers have three stages, it just depends what part of the river you are looking at.
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A mountain stream, or a river flowing lower down in the valley.
A river, or stream.
I think its a river!
The river drops the heaviest material first.
When a river floods, its crest is the highest level the floodwaters reach. After the crest, the river level starts going down.